Tests: Modularize unit testing

Split unit tests into separate files under src/unittest/
Give better unittest diagnostics
Clean up some code

1 files changed, 204 insertions, 0 deletions

diff --git a/src/unittest/test_settings.cpp b/src/unittest/test_settings.cpp
new file mode 100644
index 000000000..a82d734f0
--- /dev/null
+++ b/src/unittest/test_settings.cpp
@@ -0,0 +1,204 @@
+/*
+Minetest
+Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU Lesser General Public License as published by
+the Free Software Foundation; either version 2.1 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Lesser General Public License for more details.
+
+You should have received a copy of the GNU Lesser General Public License along
+with this program; if not, write to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+
+#include "test.h"
+
+#include "settings.h"
+#include "noise.h"
+
+class TestSettings : public TestBase {
+public:
+	TestSettings() { TestManager::registerTestModule(this); }
+	const char *getName() { return "TestSettings"; }
+
+	void runTests(IGameDef *gamedef);
+
+	void testAllSettings();
+
+	static const char *config_text_before;
+	static const char *config_text_after;
+};
+
+static TestSettings g_test_instance;
+
+void TestSettings::runTests(IGameDef *gamedef)
+{
+	TEST(testAllSettings);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+const char *TestSettings::config_text_before =
+	"leet = 1337\n"
+	"leetleet = 13371337\n"
+	"leetleet_neg = -13371337\n"
+	"floaty_thing = 1.1\n"
+	"stringy_thing = asd /( ¤%&(/\" BLÖÄRP\n"
+	"coord = (1, 2, 4.5)\n"
+	"      # this is just a comment\n"
+	"this is an invalid line\n"
+	"asdf = {\n"
+	"	a   = 5\n"
+	"	bb  = 2.5\n"
+	"	ccc = \"\"\"\n"
+	"testy\n"
+	"   testa   \n"
+	"\"\"\"\n"
+	"\n"
+	"}\n"
+	"blarg = \"\"\" \n"
+	"some multiline text\n"
+	"     with leading whitespace!\n"
+	"\"\"\"\n"
+	"np_terrain = 5, 40, (250, 250, 250), 12341, 5, 0.7, 2.4\n"
+	"zoop = true";
+
+const char *TestSettings::config_text_after =
+	"leet = 1337\n"
+	"leetleet = 13371337\n"
+	"leetleet_neg = -13371337\n"
+	"floaty_thing = 1.1\n"
+	"stringy_thing = asd /( ¤%&(/\" BLÖÄRP\n"
+	"coord = (1, 2, 4.5)\n"
+	"      # this is just a comment\n"
+	"this is an invalid line\n"
+	"asdf = {\n"
+	"	a   = 5\n"
+	"	bb  = 2.5\n"
+	"	ccc = \"\"\"\n"
+	"testy\n"
+	"   testa   \n"
+	"\"\"\"\n"
+	"\n"
+	"}\n"
+	"blarg = \"\"\" \n"
+	"some multiline text\n"
+	"     with leading whitespace!\n"
+	"\"\"\"\n"
+	"np_terrain = {\n"
+	"	flags = defaults\n"
+	"	lacunarity = 2.4\n"
+	"	octaves = 6\n"
+	"	offset = 3.5\n"
+	"	persistence = 0.7\n"
+	"	scale = 40\n"
+	"	seed = 12341\n"
+	"	spread = (250,250,250)\n"
+	"}\n"
+	"zoop = true\n"
+	"coord2 = (1,2,3.3)\n"
+	"floaty_thing_2 = 1.2\n"
+	"groupy_thing = {\n"
+	"	animals = cute\n"
+	"	num_apples = 4\n"
+	"	num_oranges = 53\n"
+	"}\n";
+
+void TestSettings::testAllSettings()
+{
+	try {
+	Settings s;
+
+	// Test reading of settings
+	std::istringstream is(config_text_before);
+	s.parseConfigLines(is);
+
+	UASSERT(s.getS32("leet") == 1337);
+	UASSERT(s.getS16("leetleet") == 32767);
+	UASSERT(s.getS16("leetleet_neg") == -32768);
+
+	// Not sure if 1.1 is an exact value as a float, but doesn't matter
+	UASSERT(fabs(s.getFloat("floaty_thing") - 1.1) < 0.001);
+	UASSERT(s.get("stringy_thing") == "asd /( ¤%&(/\" BLÖÄRP");
+	UASSERT(fabs(s.getV3F("coord").X - 1.0) < 0.001);
+	UASSERT(fabs(s.getV3F("coord").Y - 2.0) < 0.001);
+	UASSERT(fabs(s.getV3F("coord").Z - 4.5) < 0.001);
+
+	// Test the setting of settings too
+	s.setFloat("floaty_thing_2", 1.2);
+	s.setV3F("coord2", v3f(1, 2, 3.3));
+	UASSERT(s.get("floaty_thing_2").substr(0,3) == "1.2");
+	UASSERT(fabs(s.getFloat("floaty_thing_2") - 1.2) < 0.001);
+	UASSERT(fabs(s.getV3F("coord2").X - 1.0) < 0.001);
+	UASSERT(fabs(s.getV3F("coord2").Y - 2.0) < 0.001);
+	UASSERT(fabs(s.getV3F("coord2").Z - 3.3) < 0.001);
+
+	// Test settings groups
+	Settings *group = s.getGroup("asdf");
+	UASSERT(group != NULL);
+	UASSERT(s.getGroupNoEx("zoop", group) == false);
+	UASSERT(group->getS16("a") == 5);
+	UASSERT(fabs(group->getFloat("bb") - 2.5) < 0.001);
+
+	Settings *group3 = new Settings;
+	group3->set("cat", "meow");
+	group3->set("dog", "woof");
+
+	Settings *group2 = new Settings;
+	group2->setS16("num_apples", 4);
+	group2->setS16("num_oranges", 53);
+	group2->setGroup("animals", group3);
+	group2->set("animals", "cute"); //destroys group 3
+	s.setGroup("groupy_thing", group2);
+
+	// Test set failure conditions
+	UASSERT(s.set("Zoop = Poop\nsome_other_setting", "false") == false);
+	UASSERT(s.set("sneaky", "\"\"\"\njabberwocky = false") == false);
+	UASSERT(s.set("hehe", "asdfasdf\n\"\"\"\nsomething = false") == false);
+
+	// Test multiline settings
+	UASSERT(group->get("ccc") == "testy\n   testa   ");
+
+	UASSERT(s.get("blarg") ==
+		"some multiline text\n"
+		"     with leading whitespace!");
+
+	// Test NoiseParams
+	UASSERT(s.getEntry("np_terrain").is_group == false);
+
+	NoiseParams np;
+	UASSERT(s.getNoiseParams("np_terrain", np) == true);
+	UASSERT(fabs(np.offset - 5) < 0.001);
+	UASSERT(fabs(np.scale - 40) < 0.001);
+	UASSERT(fabs(np.spread.X - 250) < 0.001);
+	UASSERT(fabs(np.spread.Y - 250) < 0.001);
+	UASSERT(fabs(np.spread.Z - 250) < 0.001);
+	UASSERT(np.seed == 12341);
+	UASSERT(np.octaves == 5);
+	UASSERT(fabs(np.persist - 0.7) < 0.001);
+
+	np.offset  = 3.5;
+	np.octaves = 6;
+	s.setNoiseParams("np_terrain", np);
+
+	UASSERT(s.getEntry("np_terrain").is_group == true);
+
+	// Test writing
+	std::ostringstream os(std::ios_base::binary);
+	is.clear();
+	is.seekg(0);
+
+	UASSERT(s.updateConfigObject(is, os, "", 0) == true);
+	//printf(">>>> expected config:\n%s\n", TEST_CONFIG_TEXT_AFTER);
+	//printf(">>>> actual config:\n%s\n", os.str().c_str());
+	UASSERT(os.str() == config_text_after);
+	} catch (SettingNotFoundException &e) {
+		UASSERT(!"Setting not found!");
+	}
+}